1158846 has 32 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 350304.

The previous prime is 1158841. The next prime is 1158847. The reversal of 1158846 is 6488511.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6385 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2^1158846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270080).

1158846 is an abundant number, since it is smaller than the sum of its proper divisors (1381314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158846 is a wasteful number, since it uses less digits than its factorization.

1158846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280.

The product of its digits is 7680, while the sum is 33.

The square root of 1158846 is about 1076.4970970699. The cubic root of 1158846 is about 105.0369031283.

The spelling of 1158846 in words is "one million, one hundred fifty-eight thousand, eight hundred forty-six".